Kenwood-KVT-627-DVD-Service-Manual电路原理图.pdf

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1、 2005-8 PRINTED IN JAPANB53-0312-00 (N)1703MONITOR WITH DVD RECEIVERKVT-627DVD/627DVDYKVT-717DVD/737DVDKVT-747DVD/767DVDSERVICE MANUALVOLUMEOPEN/CLOSEMVFSWIDE TOUCH SCREEN CONTROLMONITOR WITH DVD RECEIVER KVT-717DVDATT DISPSCRN FNC AV OUT SELV.SEL V.OFFMODE M.CTRL2.0 DIGITAL OUT+SRCOFFCord with plug

2、(E30-6485-05)Plastic cabinet assy(A02-2723-03)Cord with plug(E30-6483-05)DC cord(E30-6482-15)DC cord(E30-6481-15)DC cord(E30-6475-15)DC cord(E30-6474-15)Screw set(N99-1753-05)Screw set(N99-1775-05)Mounting hardware(J22-0054-14) x2Lever(D10-4674-04) x2Mounting hardware(J21-9784-04) x2Antena adaptor(T

3、90-0552-05)Remote controller(A70-2072-05 : RC-DV601)Mounting hardware assy(J21-9823-03)Escutcheon(B07-3082-02)Size AAA batteryNot suppliedIllustrations is KVT-717DVDKVT-627DVD/627DVDY onlyKVT-717DVD/737DVD/747DVD/767DVD onlyMODEL TDF PANEL No. TDF NAMEKVT-627DVD/627DVDY Y33-2330-62 TDF-717DVDKVT-717

4、DVD/737DVD Y33-2330-62 TDF-717DVDKVT-747DVD/767DVD Y33-2330-62 TDF-717DVDTDF PANEL INFORMATIONThis product uses Lead Free solder.2KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVD1. Fasten Screw A so that the interval (a) will be about 5.2mmand the interval (b) will be about 2.6mm. (The interval (a)

5、can be measured using a pair of vernier calipers or similartools.)2. Turn B so that Position (c) will come at about the center ofinterval (d).3. Then, play the test disc and fine tune A or B so that the jittervalue would be minimized.NOTES ON ASSEMBLING THE MECHANISM2.6mm5.2mmAabBcd3KVT-627DVD/627DV

6、DY/717DVDKVT-737DVD/747DVD/767DVDBLOCK DIAGRAMOSDCHROMAGAMMA ICSYSCON SDRAMRGB SWSDRAMMOTORDRIVERMPEGOSCILLATORCLOCKFLASHCPLDAUDIODACCIRCUITINVERTERTIMINGCONTROLLERTOUCHCONTROLLCDTOUCHSMALLREMOTEKEYCONTROLDISPLAYDVDMECHAMECHASLIDESWCOMPOSITERGBSWCOMPOSITESWAUDIOINPUT SELECTORBOXu-COMAM/FMTUNERSELECT

7、OROUTPUTAUDIOPOWERAMPPREOUTSPOUTI/FAV OUTAV-INI/FLX-BUSI/FNAVII/FTVI/FRECEIVERENCODERVIDEOSWCOMPOSITE(X16- )(X34- )(X14- )(X35- ) Complete view4KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVD X14-957/958to MECHA2DIN ONLY 1DIN ONLYfrom SYSCOMDRIVERMOTORIC203MOTORDRIVERIC2021DIN ONLY1DIN ONLYOSD ICI

8、C400OSCILLATOR27MHzCHROMA GAMMA ICIC303IC3011H DELAYto X16to SYSCOM1DINONLYONLY2DINfrom SYSCOMto SUB PANEL2DIN ONLYIC200E2PROMIC204SYSCOMRESET ICIC206to ROM WRITERto BOX MCUSYNC SEPAIC362RGB SWIC3042DIN ONLYMPEGIC601 IC652ENCODERVIDEOIC650+DRIVER+MUTELPF+6dB AMPVIDEO SWIC654DECODERMECHAto DVDSDRAMIC

9、560SYSCOMIC520FLASHCPLDIC770BUFFER2DIN ONLY2ch AUDIO DACIC703LPFIC701MUTEOPT DRIVER1DIN ONLYOPTOUTPOWER SUPPLYCONNECTORDC/DCTRANCEREG MPUDC/DCREGREGDC/DCto SYSCOM1DIN ONLYto X35to X34POWER SUPPLYIC401FROMMMfrom SYSCOMREG1.5FREQUENCYDIVIDINGLCD CSLCD CONTROLLCD DATALCD CLKSRCRESETKEY CONTROLKEY2EJECT

10、REMOLED R,G,BTMOTOR MTMOTOR PSMOTOR MSMOTOR PRL M+RL M- EX M-EX M+PLL CLKDCLK 9.6MHzRGBVCOMPOLSR-Y B-Y4.43MHz3.58MHzBLKT/C HDT/C VVMUTEKEY3SRCKEY4EJECTREMOAUTO DIMMERPH DETR SENSSW A,B,CKEY1OPEN/CLOSESW DX0NTSC PALY0MODE1,2,3HPOSI1,2,3,4X1LED GLED RSDASCLM CLKFROM VPPS DATAM DATARESETM DATAS REQM RE

11、QM CLKS DATASYS ONCPNTSC PALTV/NAVI RGCOMPOSITERGBCCIR601(7:0)VCLOCKVSYNCHSYNCDVDRGBDVDCOMP V DVDCOMP VMUTERGB SW VIDEO27MHzATAPI I/FD(15:0)A(11:1)BE RSTBE CLKBE MREQBE SREQBE MDATABE SDATAA(21:0) D(7:0)LD(3:0)LA(1:0)LA17SPDIFDATA1BCLKLRCLKMCLKAUDIODOWNMIXADACMLADACMCADACMDADACRST+14.4VPON+8.5V-7V+7

12、V+14.4VBU3.3VPON+14.4V SW5VV5VMECHA5V+14.4VPON+7.5VGCDACC+BPRK DETREMOILLUMIREV DETACC DETDVDRGB27MHzOSD D(11:0)OSD A(17:0)MIRRORPWMYDATAXDATA+BACCGNDOSD BLKOSD RGBHSYVSYOSD RSTOSD CSOSD CLKOSD DATAMECHA 7VSW3.3VSW2VHD VD/958)(X14-957BLOCK DIAGRAM5KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVDBLO

13、CK DIAGRAMX34-353/354LX I/FNV I/Fto TV TUNto X14ISO AMPIC500ISO AMPIC405IC413AUDIOIC414SELSELAUDIOR SWIC400-402G SWB SWSELVIDEOIC416VIDEOSELIC406IC415SELVIDEO6dB AMPVIDEO SELIC40875 DRIVERDRIVER6dB AMPVIDEO SEL75IC407SELVIDEOIC404FM AM F/EFSTBUFFRDSIC251DECODERADJUSTLEVELMUTEMUTEADJUSTLEVELMUTEADJUS

14、TLEVELIC151ADJUSTLEVELTONEEQPOWERAMPIC100DCMUTE AMPIC200-202 PRE OUTAV OUTMUTEAV IN1ISO AMPIC204AV IN2ISO AMPIC203R-CAMSEPIC403SYNCMCUIC303 SW REGREGREG SWLX CONLX CLKLX DATA MLX DATA SLX REQ SLX MUTELX RSTLX REQ MAUD LchAUD RchA GNDREMOSYNCGA GNDRAUD LchAUD RchTXRXBTV DATA MTV DATA STV REQ STV REQ

15、MCOMP VBM RSTRGTV CLKTV CONTV RchA GNDTV LchCOMP VDVD RchDVD LchA GNDBGRM REQ SM REQ MM DATA SM DATA MM RSTM CLKM CONREMO8MCU322MCU3336MCU36MCU3DVD COMP3MCU2MCU2MCU1MCU2MCUMCU2MCU1MCU2MCU2RDDARDCLQUALMPX for RDSMCUS-METERIF COUNTSDASCLRDS MUTEQUALITY4MCUPON AMA OUT3MCUACIN0(FRONT)ACIN1(REAR)FRONTHPF

16、(FRONT) (FRONT)MUTE VOL(FRONT)(SUB-W)ACIN2RACIN2L(CENTER)MUTE(REAR)REAR(REAR)HPF VOL(REAR)SUBMAIN2ZONE2ZONE(CENMUTE/NF L(NF)LPFVOLCENTERSUB-W SUB) SUB)(CEN(FRONT)PAOUT0(REAR)PAOUT1LDOUT1(REAR)LDOUT0(FRONT)(CEN/NF)LDOUT2L(SUB/NF)LDOUT2ROUTPUT SELTUNEAUXCDCHCDMDMAININPUT SELSUBAUXVOL INSCLSDAS-MUTEDCE

17、RRMCU44MCUSVRBEEPMUTESTBYRR+ -RL+ -FR+ -FL+ -IC2VIP. CONSMALLGNDBUEXT.CONTLINE MUTEATT.CONSP OUT8FRONT LFRONT RREAR LREAR RNF LNF RRVLMCUMCURLVRLVVMCU2BUSW14VPON SW14VBUA8VSW14VBUV5VBU SW5VBU5V PONMCUPOWER SUPPLY6KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVDBLOCK DIAGRAMIC101IC203COM AMPIC302IC3

18、01IC303ICDC-DCTIMMINGCONTROLLERPLL & LPF1DIN ONLYTR SWSW PCB2DIN ONLY2DIN ONLY6.5 INCHLCD1DIN ONLYLCD7 INCHCFLTOUCH PANELSWITCH CIRCUITTOUCH PANELIC401AUTO DIMMERSW PCBC/3SW PCB B/3BACK LIGHTINVERTER1DIN ONLY1DIN ONLYRI M+EX M+SW-ASW-CNCSW-BRI M+EX M-EX M-EX M+BL DETRSENSNCRI M-RI M-DGNDPH DETSW+5.0

19、VNCBL +8.5VNCX1BL GNDBL GNDBL +8.5VNCNCENABLENCPWMY0SW-DAUTO DIMXDATAYDATAX0KEY1HPOS1VCOMPON+3.3VNCNCMODE3HPOS4HPOS3MODE2MODE1HPOS2POLSMIRRORBLKVSYHSYVGNDT/C HDV GNDNTSC/PALPLL ONVGNDVGVRVBPLL CLKLED GLED RPON+3.3VNCBRINKNCT/C VDLED GNDNCVGNDVGNDSW+18.5VDGNDOPENCLOSEPON+5.0VPON+5.0VNCSW-BSW-DSW-CSW-

20、AEX M+EX M+EX M-RI M+EX M-RI M+RI M-RI M-NCPH DETREF+5.0VSW+5.0VRSENSNCNC413276598151210111314171619187180797677787475727366697068676465626163195058596056575354555152494845464742434440413437383935363233302931242728252622232021181714151611121310948756231U/D(UPSD)VGNCSTH2VRCXVBVSSSTH1L/R(HDIR)VSSVSSCP

21、H(CPH1)VSSVCOMNCNCVGH+18.5VVDD2+5.0VVDD1+3.3VOE2(NGOE2)OE1(NGOE1)STV2OE3(NGOE3)CPVVSSSTV1VGL-12.0VNCNCNCNCREMORESETBL DETESD GNDESD GNDNCSRCBL GNDBL +8.5VBL +8.5VNCBL GNDNCT/C VDENABLEPWMYDATAY0X1X0XDATANCBU+3.3VPON+3.3VVCOMNCHPOS1HPOS2HPOS3HPOS4MODE1MODE2MODE3BLKHSYVSYMIRRORPOLSPLL ONNTSC/PALV GNDT

22、/C HDVGNDVRNCVGVBVGNDNCPON+3.3VLED RLED GPLL CLKNCEJECTSILED GNDKET4KEY3DGNDSW+18.5VVGNDVGNDNCPON+5.0VPON+5.0V2DIN TYPE 1DIN TYPEPON-12.0VPON+18.5VPON+12.5VPOLS/HSY/VSY/BLKMODE1/2/3/HPOS1/2/3/4NTSC/PAL,MIRRORVGNDPON+3.3VOPENVR/VG/VBPON+5.0VVGNDPON+3.3VVCOMPDOS/OSCISTH2STH1VBVRVGCPH1HDIRCXNGOE2V.COMN

23、GOE1STV2STV1UPSDNGOE3CPVPON+18.5VPON+5.0VPON+3.3VVGNDPON-12.0VNGOE3/CPH1NGOE1/NGOE2/UPSD/CPV/ HDIR/CX/STV1/STV2/STH1/STH2/OPENKEY4,REMO.ESD GNDRESET,SRC,EJECT,KEY3LED_G,LED R,SI3.3VSI3.3VSIBU3.3VD GND PON+5.0V30PIN0.5mmPON+5.0VXDATA/YDATAX0/X1/Y0KEY1AUTO DIM/D.GNDPWM/ENABLELED GNDBL GNDBL8.5VLED GND

24、LED+8.5V(R)/LED+8.5V(G)LED+8.5V(B)DGNDOPEN CLOSE/VOL+/VOL-BRINKX0/X1/Y0/Y17 INCHINDASH MECHA X35-448/4497KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVDBLOCK DIAGRAMMOTORSPINDLEPICK UPOPTICALSTEPPING MOTOR2 PHASEMCONNECTOR(18P,0.5PITCH)(24P,0.5PITCH)CONNECTORCONNECTOR(10P,0.5PITCH)(2P,PIN ASSY)CON

25、NECTORACTUATERDRIVERIC2PROCESSORFRONT ENDAPC TRQ7,Q8Q1,Q2THERMISTERRESET ICIC4EEPROMIC11FLASH ROMIC3(50P,0.5PITCH)CONNECTORDISC CONTROLLEROPTICAL(4P,0.5PITCH)CONNECTOR3.3V REG.IC10A3.3VD3.3VD5VA5VIC91.5V REG.1.5VVOLTAGE DETIC8IC5MOTOR &IC1CN4CN3 CN2CN1 CN5CN6CN1HALL BIASHALL SENSORU,V,W,COILDVD LD/C

26、D LCVC (2.2V)MODE SW/GAIN SWFO+-,TR+-PD/VR DVD/VR CDI/V OUT (DVD/CD)437P5VP5VDC MOTORLO/EJ3PHASEPWMPWM*2VHALF8A,B,C,D,E,F,RF (P,N)SCK,STDISEN9237VHALFA5VARF,NARFFBALJLINE,TSTSGFE,AS,REFNV,RFDIFOOFTR,BDO,VREF2VHALF (16.5V)TRCRSTEDVDON/CDONSENSCK,STDIA3.3VA5VA3.3VDISCA3.3VD5V 1.5VD3.3VIOP- (AD)TEMP DE

27、T (AD)16.897849MHzD3.3VGAIN SW PWM8,DRV.MUTE,LO.MTE,BSPDRV,FODRV,TRDRVMS,STEP A,STEP BFG,EXCNT1 SDA,SCLFADR0-FADR17,NCE,NWE,NOE FDT0-FDT7D3.3V 2 D3.3V821S/P DIFAUDIO OUTCD-DAATAPI IFD5VP5VDISC DET6ABDECD5VLIM SWFGVREF,ECPWM*2SW A,B,C,D,ELIM-SWNRSTVRFFC3X37-107 (DVD mechanism)8KVT-627DVD/627DVDY/717D

28、VDKVT-737DVD/747DVD/767DVDCOMPONENTS DESCRIPTION VIDEO CONTROL UNIT (X14-957/958x-xx)Ref. No. Application / Function Operation / Condition / CompatibilityIC100 DC-DC power supply IC SW5V/MECHA7V controlIC101 DC-DC power supply IC SW3.3V/MECHA7.5V controlIC102 DC-DC power supply IC BL8.5V, 7V control

29、IC103 Regulator IC Backup 5V generationIC104 Regulator IC Backup 3.3V generationIC108 Regulator IC IC601 2V generationIC200 E2PROM Memory for -comIC202 Motor driver IC Sliding mechanism slide controlIC203 Motor driver IC Sliding mechanism angle controlIC204 System microcomputer For main unit control

30、IC205 Logic IC (AND) AND for remote controller + wired remote-controlledIC206 Resetting IC For resetting -comIC207 Logic IC (AND4) For 3.3V 5V conversionIC301 Color differential signal 1H-DELAY For delaying color differential signal for 1H at the time of PALIC303Color liquid crystal panel driving si

31、gnalRGB signal generation for liquid crystalprocessing ICIC304 RGB switch For switching DVD signal and RGB signal coming from X34IC306 Logic IC (Inverter) For reversing blank signal coming from X35IC361 Logic IC (NAND) HD signal reversal bufferIC362 PLL built-in synchronization separation IC HD/VD g

32、eneration from composite signal after synchronization separationIC363 Logic IC (Buffer) Buffer for HD signalIC364 Logic IC (Buffer) Buffer for VD signalIC365 Logic IC (Mono-multi) HD delaying for OSD-ICIC366 Logic IC (Inverter) For VD signal reversalIC400 MOS-IC for on-screen display For displaying

33、characters and patterns on the monitor screenIC401 FLASH ROM ROM for OSD-ICIC402 Logic IC (NOR) For frequency dividing of clock for OSD-ICIC403 Logic IC (D-FF4) For frequency dividing of clock for OSD-ICIC404 Logic IC (Inverter) For frequency dividing of clock for OSD-ICIC405 Logic IC (AND) For freq

34、uency dividing of clock for OSD-ICIC406 Logic IC (OR) For frequency dividing of clock for OSD-ICIC500 Regulator DVD mechanism 5V generationIC520 FLASH ROM For MPEG decoder control programIC540,541 Logic IC (Inverter) For 27MHz oscillationIC560 SDRAM RAM for temporary storage of decoded signalIC601 M

35、PEG decoder IC for decoding MPEG encoded signalIC650 Video signal LPF + drive IC For DVD RGB/composite signalIC651 Regulator For 5V generationIC652 Video encoder Conversion of digital video signal into analog signalIC654 Video switch For switching composite signal from DVD composite signal and X349K

36、VT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVDRef. No. Application / Function Operation / Condition / CompatibilityIC701 Ope amp IC For audio LPFIC702 Regulator IC For audio 5V generationIC703 DAC for audio Conversion of digital signal into analog signalIC750 Logic IC (Inverter) SPDIF driverIC770

37、CPLD Audio DAC controlIC850 Logic IC (NAND) For frequency dividing of clock for OSD-ICQ100 NPN digital transistor For SW14.4V controlQ101 Small signal NPN transistor For detection circuit for reduced/excess currentQ102 NPN digital transistor For detection circuit for reduced/excess currentQ103 Small

38、 signal PNP transistor For detection circuit for reduced/excess currentQ104 Small signal NPN transistor For detection circuit for reduced/excess currentQ105 Small signal PNP transistor For detection circuit for reduced/excess currentQ106 FET For SW14.4V generationQ107 Small signal NPN transistor For

39、 ACC detectionQ108 PNP digital transistor For PARK detectionQ109 FET For SW5V/MECHA7V controlQ110 FET For SW3.3V/MECHA7.5V controlQ111 FET For BL8.5V, 7V controlQ112 NPN digital transistor For detection circuit for reduced/excess currentQ117 NPN digital transistor For MECHA7.5/5V switchingQ120 Small

40、 signal PNP transistor For switching -com AD conversion reference voltage BU3.3V/SW3.3VQ121 NPN digital transistor For switching -com AD conversion reference voltage BU3.3V/SW3.3VQ122 Small signal PNP transistor For switching -com AD conversion reference voltage BU3.3V/SW3.3VQ123,124 Small signal NP

41、N transistor For switching -com AD conversion reference voltage BU3.3V/SW3.3VQ125 Small signal NPN transistor For detection circuit for reduced/excess currentQ126,127 PNP digital transistor For detection circuit for reduced/excess currentQ128 PNP digital transistor For SW14.4V controlQ129Low-frequen

42、cy general amplificationFor SW14.4V controlNPN transistor2Q170 NPN digital transistor For switching DC-DC oscillation frequencyQ172 NPN digital transistor For switching DC-DC oscillation frequencyQ175 NPN digital transistor For switching DC-DC oscillation frequencyQ180,181 Small signal NPN transisto

43、r For IC303 7.5V generation (7.5V fluctuates a little)Q182 Small signal PNP transistor For IC303 7.5V generation (7.5V fluctuates a little)Q183 NPN digital transistor For LLUMI detectionQ184 NPN digital transistor For REVERSE detectionQ200 NPN transistor For BLUE_LED controlQ201 PNP digital transist

44、or For BLUE_LED controlQ202 NPN digital transistor For GREEN_LED controlQ203 PNP digital transistor For GREEN_LED controlQ204 NPN digital transistor For RED_LED controlQ205 PNP digital transistor For RED_LED controlCOMPONENTS DESCRIPTION10KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVDRef. No. App

45、lication / Function Operation / Condition / CompatibilityQ206 PNP digital transistor For resettingQ207 NPN digital transistor For resettingQ208 Small signal PNP transistor For -com input voltage 5V 3.3V conversionQ209 Small signal NPN transistor For -com input voltage 5V 3.3V conversionQ210 Small si

46、gnal PNP transistor For -com input voltage 5V 3.3V conversionQ211 Small signal NPN transistor For -com input voltage 5V 3.3V conversionQ212 Small signal PNP transistor Temperature compensation for DC-DC external oscillation frequency input clampQ213 Small signal NPN transistor DC-DC external oscilla

47、tion frequency input clampQ214 NPN digital transistor DC-DC external oscillation frequency input stoppage REF voltage inputQ215 Small signal NPN transistor DC-DC external oscillation frequency input clampQ216 NPN digital transistor DC-DC external oscillation frequency input stoppage REF voltage inpu

48、tQ217 Small signal NPN transistor DC-DC external oscillation frequency input clampQ218 NPN digital transistor DC-DC external oscillation frequency input stoppage REF voltage inputQ300 Small signal PNP transistor For chroma trap switching at the time of PALQ301 NPN digital transistor For IC304 switch

49、ing controlQ360 NPN digital transistor For brightness signal input buffer to IC303Q361 PNP digital transistor For color signal input buffer to IC303Q362 PNP digital transistor For input signal buffer to IC362Q363 PNP digital transistor For IC362 NT/PAL control 3.3V 5V conversionQ364 NPN digital transistor For IC362 NT/PAL control 3.3V 5V conversionQ390 Small signal NPN transistor For IC237 3V generationQ391 Small signal PNP transistor For IC237 3V generationQ400 PNP digital transistor OSD_R bufferQ401 PNP digital transistor OSD_G bufferQ402 PNP dig